Global Patent Index - EP 3131885 B1

EP 3131885 B1 20190109 - PREPARATION OF 2-SUBSTITUTED 4-METHYL-TETRAHYDROPYRANES FROM STARTING MATERIALS CONTAINING 2-ALKYL-4,4-DIMETHYL-1,3-DIOXANE

Title (en)

PREPARATION OF 2-SUBSTITUTED 4-METHYL-TETRAHYDROPYRANES FROM STARTING MATERIALS CONTAINING 2-ALKYL-4,4-DIMETHYL-1,3-DIOXANE

Title (de)

HERSTELLUNG VON 2-SUBSTITUIERTEN 4-METHYL-TETRAHYDROPYRANEN AUS 2-ALKYL-4,4-DIMETHYL-1,3-DIOXAN-HALTIGEN AUSGANGSSTOFFEN

Title (fr)

FABRICATION DE 4-MÉTHYL-TETRAHYDROPYRANES 2-SUBSTITUÉS COMME MATIÈRES DE DÉPART CONTENANT DU 2-ALKYL-4,4-DIMÉTHYL-1,3-DIOXANE

Publication

EP 3131885 B1 20190109 (DE)

Application

EP 15716009 A 20150408

Priority

  • EP 14164580 A 20140414
  • EP 2015057580 W 20150408

Abstract (en)

[origin: WO2015158584A1] The invention relates to a method for producing 2-substituted 4-methyl-tetrahydropyrans of general formula (I) from starting materials containing at least one 2-substituted 4,4-dimethyl-1,3-dioxane of general formula (II).

IPC 8 full level

C07D 309/04 (2006.01)

CPC (source: CN EP US)

C07D 309/04 (2013.01 - CN EP US)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 2865676 A1 20150429; CN 106164062 A 20161123; CN 106164062 B 20190419; EP 3131885 A1 20170222; EP 3131885 B1 20190109; ES 2719433 T3 20190710; JP 2017516759 A 20170622; JP 6498696 B2 20190410; MX 2016013557 A 20170213; US 2017037020 A1 20170209; US 9994540 B2 20180612; WO 2015158584 A1 20151022

DOCDB simple family (application)

EP 14164580 A 20140414; CN 201580019390 A 20150408; EP 15716009 A 20150408; EP 2015057580 W 20150408; ES 15716009 T 20150408; JP 2016562232 A 20150408; MX 2016013557 A 20150408; US 201515304283 A 20150408